protected virtual string OnFileDialogRequest(FileDialogTypes dialogType, string initialDirectory, string fileName, string filter, int filterIndex)
{
var handler = FileDialogRequest;
if (handler != null)
{
var e = new FileDialogRequestEventArgs()
{
FileDialogType = dialogType,
InitialDirectory = initialDirectory,
FileName = fileName,
Filter = filter,
FilterIndex = filterIndex
};
handler.Invoke(this, e);
if (e.DialogResult == DialogResult.OK)
{
return(e.FileName);
}
}
return(String.Empty);
}
private static string GetFilters(FileDialogTypes filetype)
{
switch (filetype)
{
case FileDialogTypes.Picture:
return "All Picture Files(*.jpeg,*.jpe,*.jpg,*.gif,*.png,*.bmp,*.wmf,*.ico)|*.jpeg;*.jpe;*.jpg;*.gif;*.png;*.bmp;*.wmf;*.ico|JPEG Files(*.jpg,*.jpe,*.jpeg)|*.jpg;*.jpe;*.jpeg";
default:
return "All Files(*.*)|*.*";
}
return null;
}
public static string[] ShowMultiDialog(FileDialogTypes FileType)
{
try
{
using (OpenFileDialog myFileDialog = new OpenFileDialog())
{
if (myFileDialog.ShowDialog() == DialogResult.OK)
{
return myFileDialog.FileNames;
}
}
}
catch (Exception)
{
}
return null;
}
public static string ShowDialog(FileDialogTypes FileType)
{
try
{
using (OpenFileDialog myFileDialog = new OpenFileDialog())
{
myFileDialog.Filter = GetFilters(FileType);
if (myFileDialog.ShowDialog() == DialogResult.OK)
{
return myFileDialog.FileName;
}
}
}
catch (Exception)
{
}
return null;
}
